Figures courtesy of The Wrestling Observer Newsletter.
North America = 74.4% (April/June 2012) 72.2% (April/June 2011)
Europe/Middle East/Africa = 17.1% (2012) 18.2% (2011)
Asia Pacific = 5.9% (2012) 5.8% (2011)
Latin America = 2.6% (2012) 3.7% (2011)